Abstract
The dramatic changes of subcellular structures during mitosis are best visualized by live imaging. In general, live imaging requires the expression of proteins of interest fused to fluorophores and a model system amenable to live microscopy. Drosophila melanogaster is an attractive model in which to perform live imaging because of the numerous transgenic stocks bearing fluorescently tagged transgenes as well as the ability to precisely manipulate gene expression. Traditionally, the early Drosophila embryo has been used for live fluorescent analysis of mitotic events such as spindle formation and chromosome segregation. More recent studies demonstrate that the Drosophila third instar neuroblasts have a number of properties that make them well suited for live analysis: (1) neuroblasts are distinct cells surrounded by plasma membranes; (2) neuroblasts undergo a complete cell cycle, consisting of G1, S, G2, and M phases; and (3) neuroblasts gene expression is not influenced by maternal load, and so the genetics are therefore relatively more simple. Finally, the Drosophila neuroblast is arguably the best system for live imaging asymmetric stem cell divisions. Here, we detail a method for live imaging Drosophila larval neuroblasts.
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Warecki, B., Bast, I., Sullivan, W. (2022). Visualizing the Dynamics of Cell Division by Live Imaging Drosophila Larval Brain Squashes. In: Hinchcliffe, E.H. (eds) Mitosis. Methods in Molecular Biology, vol 2415. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1904-9_3
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DOI: https://doi.org/10.1007/978-1-0716-1904-9_3
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